Wiper Motor Test: Windshield
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Open the hood, and remove the wiper arms NOTE: Carefully remove the wiper arms so that they do not touch the hood.
- Remove the cowl covers (see COWL COVER REPLACEMENT ).
- Disconnect the 5P connector (A) from the windshield wiper motor (B).
- Test the motor by connecting battery power to windshield wiper motor 5P connector terminal No. 3 and ground to terminal No. 2. The motor should run at low speed. If the motor does not run or fails to run smoothly, replace the motor.
- Test the motor by connecting battery power to windshield wiper motor 5P connector terminal No. 5 and ground to terminal No. 2. The motor should run at high speed. If the motor does not run or fails to run smoothly, replace the motor
- Connect an analog ohmmeter between windshield wiper motor 5P connector terminals No. 1 and No. 4, and run the motor at low or high speed. The ohmmeter should indicate continuity and no continuity alternately. If it does not, replace the motor.